diff --git a/pkgs/development/python-modules/baseline/default.nix b/pkgs/development/python-modules/baseline/default.nix
index 8a47d5b6b544..218888366bae 100644
--- a/pkgs/development/python-modules/baseline/default.nix
+++ b/pkgs/development/python-modules/baseline/default.nix
@@ -11,19 +11,24 @@ buildPythonPackage {
   pname = "baseline";
   version = "1.2.1";
   pyproject = true;
+
+  __structuredAttrs = true;
+
   disabled = !isPy3k;
 
   src = fetchFromGitHub {
     owner = "dmgass";
     repo = "baseline";
     rev = "95a0b71806ed16310eb0f27bc48aa5e21f731423";
-    sha256 = "0qjg46ipyfjflvjqzqr5p7iylwwqn2mhhrq952d01vi8wvfds10d";
+    hash = "sha256-DQTd3OYo7gCaKAlnCKuwmHPq47kl44/lpk46f6MhT2I=";
   };
 
   build-system = [ setuptools ];
 
   nativeCheckInputs = [ pytestCheckHook ];
 
+  pythonImportsCheck = [ "baseline" ];
+
   meta = {
     description = "Easy String Baseline";
     mainProgram = "baseline";